/*
 *
 * Copyright (c) 2006-2020, Speedment, Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); You may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at:
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package com.speedment.runtime.core.internal.util;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;

import org.junit.jupiter.api.Test;

import java.util.Collections;
import java.util.List;
import java.util.NoSuchElementException;
import java.util.Optional;

final class CollectionsUtilTest {

    @Test
    void findAnyIn() {
        final List<String> populatedList = Collections.singletonList("value");
        final Optional<String> populatedOptional = CollectionsUtil.findAnyIn(populatedList);

        assertTrue(populatedOptional.isPresent());
        assertEquals("value", populatedOptional.get());

        final List<String> emptyList = Collections.emptyList();
        final Optional<String> emptyOptional = CollectionsUtil.findAnyIn(emptyList);

        assertFalse(emptyOptional.isPresent());
    }

    @Test
    void getAnyFrom() {
        final List<String> populatedList = Collections.singletonList("value");
        assertEquals("value", CollectionsUtil.getAnyFrom(populatedList));

        final List<String> emptyList = Collections.emptyList();
        assertThrows(NoSuchElementException.class, () -> CollectionsUtil.getAnyFrom(emptyList));
    }
}
